Use Allcal - Ticket Validation to easily check-in guests at your event. Keep track of attendance for panels, presentations, and more with this easy mobile app ticket validator. View all your events and calendars in one place, then open each to start validating your tickets. Scan using a QR code or type in the code manually. Let attendees leave and come back with Allcal's Check-out feature. Questions? Email firstname.lastname@example.org for help!